Viscosity and flow rate constraints for tube-fed planetary lava flows

Details Viscosity and flow rate constraints for tube-fed planetary lava flows Viscosity and flow rate constraints for tube-fed planetary lava flows

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1231s&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 231.

Physics

Lava, Planetary Surfaces, Viscous Flow, Flow Velocity, Volcanoes, Mars Craters, Earth Surface, Pressure Effects, Mars Surface

Scientific paper

Potential ranges and limitations on the distribution of pressurization wth planetary lava tubes, such as those observed at Alba Patera and Olympus Mons, are explored. Three regimes of tube flow - pressure-driven, gravity-driven, and combined pressure- and gravity-driven flow - are examined, and both Newtonian and power-law rheologies are considered. It is concluded that very low lava viscosities are not essential for Alba Patera lava tubes, and that tube formation may be a better indicator of the steadiness of the eruption and the presence of low slopes than it is of low viscosities.

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